ORIGINAL RESEARCH
Complex Fertilizers Produced
from the Sunflower Husk Ash
Rasa Paleckienė1, Alfredas M. Sviklas1, Rasa Šlinkšienė1, Virginijus Štreimikis2
Pol. J. Environ. Stud. 2010;19(5):973-979
REVIEW PAPER
Chromium, Nickel and Cobalt in Environmental Samples and Existing Legal Norms
D. Baralkiewicz, J. Siepak
Pol. J. Environ. Stud. 1999;8(4):201-208